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Dataset Title:  Data for urn-ioos-FLOATS-edu.tamucc.gulfhub-4902290 - Deep Lagrangian
Observations in the Gulf of Mexico - APEX Optical-CTD Data
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Institution:  WHOI and Coriolis GDAC   (Dataset ID: 4902290_g4901606)
Range: longitude = -95.198 to -88.961°E, latitude = 20.802 to 25.447°N, time = 2012-09-25T10:05:00Z to 2015-08-17T17:03:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.3485675e+9, 1.43983098e+9;
    String axis "T";
    String conventions "Relative julian days with decimal part (as parts of day)";
    String coverage_content_type "referenceInformation";
    String ioos_category "Time";
    String long_name "Julian day (UTC) of station relative to REFERENCE_DATE_TIME";
    Float64 resolution 0.0;
    String standard_name "time";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
    Float64 valid_max 23969.710416666698;
    Float64 valid_min 22913.420138888992;
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue 999999.0;
    Float64 actual_range 20.802, 25.447;
    String axis "Y";
    String coordinate_reference_frame "urn:ogc:crs:EPSG::4326";
    String coverage_content_type "referenceInformation";
    String ioos_category "Location";
    String long_name "Latitude of station, best estimate";
    String reference "WGS84";
    String standard_name "latitude";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/latitude";
    String units "degrees_north";
    Float64 valid_max 25.447;
    Float64 valid_min 20.802;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue 999999.0;
    Float64 actual_range -95.198, -88.961;
    String axis "X";
    String coordinate_reference_frame "urn:ogc:crs:EPSG::4326";
    String coverage_content_type "referenceInformation";
    String ioos_category "Location";
    String long_name "Longitude of station, best estimate";
    String reference "WGS84";
    String standard_name "longitude";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/longitude";
    String units "degrees_east";
    Float64 valid_max -88.961;
    Float64 valid_min -95.198;
  }
  Chl {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 99999.0;
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Ocean Color";
    String long_name "Chlorophyll Fluorometer";
    String standard_name "fluorescence";
    String standard_name_url "http://mmisw.org/ont/ioos/parameter/chlorophyll_flourescence";
    String units "micrograms/liter";
    Float64 valid_max 99999.0;
    Float64 valid_min 0.0;
  }
  BBP_700nm {
    Float64 _FillValue NaN;
    Float64 actual_range 6.439e-5, 99999.0;
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Optical Properties";
    String long_name "Scattering Meter Wavelength: 700nm";
    String standard_name "backscatter";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/unknown";
    String units "m-1 sr-1";
    Float64 valid_max 99999.0;
    Float64 valid_min 6.439e-5;
  }
  CDOM {
    Float64 _FillValue NaN;
    Float64 actual_range -2.35, 99999.0;
    String coverage_content_type "physicalMeasurement";
    String ioos_category "Optical Properties";
    String long_name "Colored Dissolved Organic Matter (CDOM)";
    String standard_name "fluorescence";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/unknown";
    String units "ppb";
    Float64 valid_max 99999.0;
    Float64 valid_min -2.35;
  }
  TEMP {
    Float64 _FillValue 99999.0;
    Float64 actual_range 4.289100170135498, 30.486000061035156;
    String C_format "%9.3f";
    String coverage_content_type "physicalMeasurement";
    String FORTRAN_format "F9.3";
    String ioos_category "Temperature";
    String long_name "Sea temperature in-situ, IPTS-90 scale";
    Float64 resolution 0.001;
    String standard_name "sea_water_temperature";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_temperature";
    String units "degree_Celsius";
    Float64 valid_max 30.486000061035156;
    Float64 valid_min 4.289100170135498;
  }
  PRES {
    String _CoordinateAxisType "Height";
    Float64 _FillValue 99999.0;
    Float64 actual_range 7.900000095367432, 1449.4100341796875;
    String axis "Z";
    String C_format "%7.1f";
    String coverage_content_type "physicalMeasurement";
    String FORTRAN_format "F7.1";
    String ioos_category "Pressure";
    String long_name "Sea water pressure, equals 0 at sea-level";
    Float64 resolution 1.0;
    String standard_name "sea_water_pressure";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_pressure";
    String units "decibar";
    Float64 valid_max 1449.4100341796875;
    Float64 valid_min 7.900000095367432;
  }
  PSAL {
    Float64 _FillValue 99999.0;
    Float64 actual_range 34.430999755859375, 36.83700180053711;
    String C_format "%9.3f";
    String coverage_content_type "physicalMeasurement";
    String FORTRAN_format "F9.3";
    String ioos_category "Salinity";
    String long_name "Practical salinity";
    Float64 resolution 0.001;
    String standard_name "sea_water_salinity";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_surface_salinity";
    String units "psu";
    Float64 valid_max 36.83700180053711;
    Float64 valid_min 34.430999755859375;
  }
  profile_id_dim {
    String ioos_category "Identifier";
  }
  profile {
    Int32 actual_range 0, 68;
    String cf_role "profile_id";
    String ioos_category "Identifier";
    String long_name "Profile ID";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.6.3,hdf5=1.10.4";
    String acknowledgement "N/A";
    String cdm_altitude_proxy "PRES";
    String cdm_data_type "Profile";
    String cdm_profile_variables "time,latitude,longitude,Chl,BBP_700nm,CDOM,TEMP,PRES,PSAL,profile_id_dim,profile";
    String contributor_email "devops@rpsgroup.com";
    String contributor_name "RPS";
    String contributor_role "editor";
    String contributor_role_vocabulary "https://vocab.nerc.ac.uk/collection/G04/current/";
    String contributor_url "rpsgroup.com";
    String Conventions "ACDD-1.3, CF-1.7, IOOS-1.2";
    String creator_address "86 Water Street";
    String creator_city "Falmouth";
    String creator_country "USA";
    String creator_email "N/A";
    String creator_name "WHOA and Coriolis GDAC";
    String creator_postalcode "02543";
    String creator_state "MA";
    String creator_type "institution";
    String creator_url "N/A";
    Float64 Easternmost_Easting -88.961;
    String featureType "Profile";
    String geospatial_bounds "MULTIPOINT (-94.761  21.061, -94.816  21.032, -94.836  21.353, -94.397  21.352, -93.957  21.911, -94.14   22.11 , -94.287  21.935, -94.189  21.858, -93.64   21.909, -92.761  22.238, -91.727  23.178, -92.659  24.442, -92.94   24.574, -94.026  24.669, -93.824  24.587, -93.311  24.348, -92.331  24.015, -92.291  24.136, -92.706  24.642, -93.413  24.957, -93.992  25.262, -93.585  25.447, -92.923  25.375, -92.822  25.186, -93.042  25.035, -92.598  24.712, -92.357  24.004, -93.199  23.073, -92.895  23.76 , -94.194  24.406, -95.198  24.115, -94.883  24.957, -94.615  25.095, -94.817  24.746, -94.922  24.053, -94.8    23.305, -94.878  23.182, -94.985  23.297, -94.966  23.395, -94.329  22.722, -93.864  23.358, -94.786  22.879, -94.786  21.653, -94.624  21.486, -94.515  21.17 , -94.362  21.089, -94.606  20.802, -94.259  21.308, -92.971  22.029, -92.37   22.507, -92.038  22.891, -92.141  23.666, -91.57   23.259, -91.167  23.132, -90.828  23.504, -90.862  24.004, -91.315  24.437, -90.699  24.48 , -90.086  24.359, -89.837  24.167, -90.073  24.035, -90.207  23.854, -89.8    24.243, -89.207  24.323, -88.963  24.289, -89.152  24.36 , -89.402  24.332, -89.749  24.182, -88.961  24.295)";
    String geospatial_bounds_crs "EPSG:4326";
    String geospatial_bounds_vertical_crs "EPSG:5831";
    Float64 geospatial_lat_max 25.447;
    Float64 geospatial_lat_min 20.802;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -88.961;
    Float64 geospatial_lon_min -95.198;
    String geospatial_lon_units "degrees_east";
    String geospatial_vertical_positive "down";
    String history 
"Original ECO Puck file G4901606.mat; Original AOML file 4902290_prof.nc
2024-05-09T08:16:45Z (local files)
2024-05-09T08:16:45Z https://gcoos5.geos.tamu.edu/tabledap/4902290_g4901606.das";
    String id "4902290";
    String infoUrl "https://gcoos.org";
    String institution "WHOI and Coriolis GDAC";
    String instrument "US ARGO Profiler";
    String keywords "Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, Earth Science > Oceans > Salinity/Density > Salinity";
    String license "These data may be redistributed and used without restriction.";
    String naming_authority "edu.tamucc.gulfhub";
    Float64 Northernmost_Northing 25.447;
    String platform "subsurface_float";
    String platform_id "4902290";
    String platform_vocabulary "GCMD Keywords Version 8.7";
    String processing_level "The optical data was processed by WHOI using a modification of the Argo format. Because the optical instrument’s data collection was not synchronized with the CTD, the arrays contain the unedited optical measurements at the depths recorded and the temperature and salinity were interpolated to the same depths as the optical measurements from the more dense CTD data taken on the same profile.";
    String program "Deep Langrangian Observations in the Gulf of Mexico (funding: BOEM)";
    String project "Deep Circulation in the Gulf of Mexico: A Lagrangian Study";
    String publisher_address "6300 Ocean Drive, Unit 5869";
    String publisher_city "Corpus Christi";
    String publisher_country "USA";
    String publisher_email "info@gcoos.org";
    String publisher_institution "Harte Research Institute, Texas A&M University Corpus Christi";
    String publisher_name "Gulf of Mexico Coastal Ocean Observing System (GCOOS)";
    String publisher_phone "(361) 825 3454";
    String publisher_postalcode "78412";
    String publisher_state "Texas";
    String publisher_type "group";
    String publisher_url "gcoos.org";
    String references "https://espis.boem.gov/final%20reports/5471.pdf";
    String source "observation";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 20.802;
    String standard_name_vocabulary "CF Standard Name Table v72";
    String subsetVariables "time,latitude,longitude,Chl,BBP_700nm,CDOM,TEMP,PRES,PSAL,profile_id_dim,profile";
    String summary "Phsyical Oceanographic Circulation Study";
    String time_coverage_duration "P0002-10-23T06:58:00";
    String time_coverage_end "2015-08-17T17:03:00Z";
    String time_coverage_resolution "P0000-00-14T05:53:00";
    String time_coverage_start "2012-09-25T10:05:00Z";
    String title "Data for urn-ioos-FLOATS-edu.tamucc.gulfhub-4902290 - Deep Lagrangian Observations in the Gulf of Mexico - APEX Optical-CTD Data";
    Float64 Westernmost_Easting -95.198;
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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